An exhibit from the suit filed by Amazon and GoPro, unsealed Monday in federal court in Seattle.

Amazon and GoPro are suing nine defendants on allegations that they attempted to sell counterfeit GoPro accessories on Amazon.com, in violation of intellectual property laws.

The suit, filed in March in U.S. District Court in Seattle, was unsealed Monday morning, making the allegations public for the first time.

Counterfeit items included GoPro’s “Handler” floating hand grip, 3-Way grip, extension arm and tripod mount, as noted in a statement from the companies.

“As a result of their illegal actions, Defendants have infringed and misused GoPro’s IP, willfully deceived and harmed Amazon, GoPro, and their customers, compromised the integrity of the Amazon store, and undermined the trust that customers place in Amazon and GoPro,” reads the complaint.

It’s the latest in a series of legal actions and programs from Amazon to combat counterfeits, part of a continued effort by the company to show it’s serious about cracking down on counterfeit goods sold on its platform. Amazon said in May that it blocked more than 10 billion suspected bad listings before they were published in its stores last year.

Numerous media reports, investigations, studies and watchdog groups have spotlighted the problem of counterfeits on Amazon’s platform.

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